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MLB commissioner Rob Manfred says computer umpires will be available sooner than later - ESPN
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Umpires
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MLB umpires wear wristbands to protest 'abusive' treatment
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Southern Athletic Association (SAA) Operations Manual by SAA Sports - Issuu
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MLB umpires wear wristbands to protest 'abusive' treatment
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As MLB Players Weekend dawns, lawsuit puts union, players at odds
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Business of Sport: Warriors invest in juniors but women still waiting
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An Umpire Took One Too Many Foul Balls to the Face. He Invented a Solution. - WSJ
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MLB umpires wear wristbands to protest 'abusive' treatment
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MLB umpires wear white wristbands against player abuse